CVE-2025-14911

Integer Overflow in GridFS chunkSize Leading to Heap Allocation Failure

High · published January 27, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
24.0
In the wild
Unconfirmed
What it is

User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00323 · 24.0th percentile
Published
2026-01-27T17:29Z
EPSS history
Timeline
  • 27 JAN 17:29Z
    Integer Overflow in GridFS chunkSize Leading to Heap Allocation Failure
    cvelistv5